<?php 
 include 'base.php';
 include 'requireLogin.php';
 ?>
 
        <div id="content">
                <a href = "bill_seller.php"><button>Theo nhân viên </button></a>
				<a href = "filter_base_date.php"><button>Theo thời gian</button></a>
                <a href = ""><button>Theo khách hàng</button></a>
        </div>  
</div>
 <?php include 'footer.php';?>